1. A room with an abundance of farts.
2. Rat farts (fart+ ratatouille= fartatouille).
3. A food that has been farted into, especially ratatouille.

1. That guy had major gas, so that office cubicle is a fartatouille to be avoided at all costs.
2. Today, I heard a fartatouille- before I heard it, I never thought rats could really fart.
3. Don't eat that chocolate cake; that lady gassed on it, which made it brown. It's a real fartatouille.